But I can get the share mounted using the Directory Service software in Leopard. When mounted I can access it and create/delete files from the command line, but not from finder. After a short while of copying to the device from the command line all I get is this error:

Does anyone have any ideas what could be the issue/issues that are preventing me using the NAS device as a backup solution!? I've tried for hours over the last couple of days and this is as far as I can get!